Service manual

Schematic Diagrams
B-29
Schematic Diags
Flash ROM/LPT1
Sheet 28 of 42
Flash ROM/LPT1
VCC5S
VCC3S
VCC5S
VCC5S
VCC5S
PATFD#
PD7
PD5
PSLIN#
PD0
PD1
PD2
PD4
PD6
PPERR#
PD3
PINIT#
PSTB#
PACK#
PBUSY
PSLCT
PPE
C_PD6
C_PD5
C_PD4
C_PD7
C_PD0
C_PD1
C_PSTB#
C_PATFD#
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
BIOSCS#
MEMR#
SA18
MEMW#
SA1
SA3
SA16
SA2
SA0
SA15
SA14
SA12
SA13
WBIOS#
SA17
Z215
FLASH#
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
PD5
PD7
PD6
PD4
PD1
PD0
PATFD#
PSTB#
C_PD1
C_PATFD#
C_PD4
C_PSTB#
C_PD6
C_PD0
C_PD7
C_PD5
C_PSLIN#
C_PD3
C_PD2
C_PINIT#
PPERR#
PD2
PD3
PSLIN#
PINIT#
PPE
C_PBUSY
C_PPE
C_PSLCT
C_PSLIN#
C_PD2
C_PD3
C_PACK#
C_PINIT#
PSLCT
C_PBUSY
C_PPE
PACK#
C_PSLCT
C_PACK#PBUSY
R546 0(R)
U37
TC7S32F
1
2
3
5
4
IN
IN
GND
VCC
OUT
U13
29F020
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
22
24
1
31
13
14
15
17
18
19
20
21
32
16
30
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
CE
OE
VPP
PGM
O0
O1
O2
O3
O4
O5
O6
O7
VCC
GND
A17
R553
1K
C697
0.1U
C701
0.1U(R)
C702
0.1U
R545 0
RN7 8P4R-32164S471
1
2
3
4
8
7
6
5
R551
10K
RN5 8P4R-2.7K
1
2
3
4
8
7
6
5
CP5
8P4C-180P
1 8 2 7 3 6 4 5
CP4
8P4C-180P
18 27 36 45
RN2 8P4R-32164S471
1
2
3
4
8
7
6
5
RN6 8P4R-32164S471
1
2
3
4
8
7
6
5
C423
10U/10V(0805)
RN3 8P4R-2.7K
1
2
3
4
8
7
6
5
R3 2.7K
D4
1SS355
A C
RN8 8P4R-2.7K
1
2
3
4
8
7
6
5
R2
BK1608HS601
RN4 8P4R-32164S471
1
2
3
4
8
7
6
5
CN8
PRT_PORT
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
28
29
C421
180P
CP7
8P4C-180P
18 27 36 45
CP6
8P4C-180P
1 8 2 7 3 6 4 5
RN1 8P4R-2.7K
1
2
3
4
8
7
6
5
C422
0.1U
PPERR# [29]
PSLCT [29]
PPE [29]
PBUSY [29]
PACK# [29]
SD0 [29]
SD1 [29]
SD2 [29]
SD3 [29]
SD4 [29]
SD5 [29]
SD6 [29]
SD7 [29]
SA0[29]
SA1[29]
SA2[29]
SA3[29]
SA12[29]
SA13[29]
SA14[29]
SA15[29]
SA16[29]
SA17 [29]
SA18 [29]
BIOSCS#[29]
MEMR#[29]
FLASH#[29]
MEMW#[29]
SA4[29]
SA5[29]
SA6[29]
SA7[29]
SA8[29]
SA9[29]
SA10[29]
SA11[29]
PSTB#[29]
PD7[29]
PATFD#[29]
PD6[29]
PD5[29]
PD4[29]
PD1[29]
PD0[29]
PPERR#[29]
PPE[29]
PACK#[29]
PSLIN#[29]
PINIT#[29]
PD3[29]
PD2[29]
PSLCT[29]
PBUSY[29]
PD1 [29]
PD0 [29]
PSTB# [29]
PATFD# [29]
PD3 [29]
PSLIN# [29]
PINIT# [29]
PD4 [29]
PD5 [29]
PD6 [29]
PD7 [29]
PD2 [29]